CVE-2016-0727
HIGH severity · CVSS 7.8 · CWE-264
7.8CVSS HIGH
Summary
The crontab script in the ntp package before 1:4.2.6.p3+dfsg-1ubuntu3.11 on Ubuntu 12.04 LTS, before 1:4.2.6.p5+dfsg-3ubuntu2.14.04.10 on Ubuntu 14.04 LTS, on Ubuntu Wily, and before 1:4.2.8p4+dfsg-3ubuntu5.3 on Ubuntu 16.04 LTS allows local users with access to the ntp account to write to arbitrary files and consequently gain privileges via vectors involving statistics directory cleanup.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1528050 ↗
Additional information
- NVD record
- https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1528050Patch
- http://www.ubuntu.com/usn/USN-3096-1Advisory
- http://www.securityfocus.com/bid/81552Advisory
- http://www.securitytracker.com/id/1034808Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1382369
- http://packetstormsecurity.com/files/141913/NTP-Privilege-Escalation.htmlAdvisory